Ronald Acuna Jr. pulled off one of the rarest feats in baseball history, hitting leadoff homers in both games of a doubleheader to lead the first-place Atlanta Braves to a sweep of the Miami Marlins on Monday.

Touki Toussaint threw six strong innings in his big league debut, Ronald Acuna hit another leadoff homer and the Atlanta Braves climbed a half-game ahead of Philadelphia in the NL East, beating the Miami Marlins 9-1 in the first game of a doubleheader...

Keith Law and Jerry Crasnick marvel at the youth movement on display in the NL East, discuss the backslide of the Mariners, Boston's pace and more (:18). Plus, Sarah Langs' "Numbers Game" (18:46) and an interesting chat with game developer Rob Daviau (30:07).

Eddie Matz ESPN Senior Writer

After two solid starts subbing for Stephen Strasubrg, Nats lefty Tommy Milone isn't fooling anyone the third time around. The veteran lefty allowed three early homers to the Braves, including a pair of mammoth fourth-inning blasts to Tyler Flowers and Ronald Acuna that measured exactly 900 feet combined.

Keith Law talks to Boog Sciambi about the Nats' outlook, the race for the NL East and more (:14). Plus, Paul Hembekides on Oakland's magic (19:55), Lindsey Adler discusses the state of the Yankees (27:55) and more.